code: def setUp(self):
      self.basket_data = Reader().read(
          "./tests/basket.txt", fmt="UBITJson"
      )
  
imports: import unittest
  import numpy
  import numpy.testing
  from cornac.data import BasketDataset, Dataset, SequentialDataset, Reader
label_desc: Use image node_id 1 for calling the TestBasketDataset obj's underlying member method code with example usage: obj.setUp() without return types